Buderus Logano plus GB312 Installation And Maintenance Instructions

Contents
Logano plus GB312 - Subject to technical modifications.
2
Contents
1 Key to symbols and safety instructions . . . . . 4
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . 4
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . 4
2 Product information . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Regarding these instructions . . . . . . . . . . . . 6
2.2 EU Declaration of Conformity . . . . . . . . . . . 6
2.3 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Boiler designation . . . . . . . . . . . . . . . . . . . . . 6
2.5 Standard delivery . . . . . . . . . . . . . . . . . . . . . 6
2.6 Product overview . . . . . . . . . . . . . . . . . . . . . 7
2.7 Dimensions and connections . . . . . . . . . . . 8
2.8 Specification . . . . . . . . . . . . . . . . . . . . . . . . 10
2.9 Gas throughput . . . . . . . . . . . . . . . . . . . . . . 11
2.10 Country-specific gas categories and
supply pressures . . . . . . . . . . . . . . . . . . . . . 12
3 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Standards and directives . . . . . . . . . . . . . . 13
3.2 Duty to obtain a permit and provide
notification . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.3 Installation location . . . . . . . . . . . . . . . . . . . 13
3.4 Ventilation requirements . . . . . . . . . . . . . . 14
3.4.1 Open flue boilers . . . . . . . . . . . . . . . . . . . . 14
3.4.2 Room sealed boilers . . . . . . . . . . . . . . . . . . 14
3.5 Heating water quality . . . . . . . . . . . . . . . . . 14
3.6 Pipework quality . . . . . . . . . . . . . . . . . . . . . 14
3.7 Frost protection . . . . . . . . . . . . . . . . . . . . . 14
3.8 Inspection/maintenance . . . . . . . . . . . . . . . 15
3.9 Tools, materials and auxiliary equipment . 15
3.10 Validity of regulations . . . . . . . . . . . . . . . . . 15
4 Transporting the boiler . . . . . . . . . . . . . . . . . . 16
4.1 Checking the delivery for completeness . 16
4.2 Lifting and handling the boiler . . . . . . . . . . 16
4.3 Transporting the boiler on rollers . . . . . . . 17
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.1 Installation requirements . . . . . . . . . . . . . . 18
5.2 Wall clearances . . . . . . . . . . . . . . . . . . . . . 18
5.3 Levelling the boiler . . . . . . . . . . . . . . . . . . . 19
5.4 Flue and ventilation air connections . . . . . 19
5.4.1 Making the flue connection . . . . . . . . . . . . 19
5.4.2 Making the ventilation air connection
(Room sealed operation) . . . . . . . . . . . . . . 20
5.5 Making the water connections . . . . . . . . . 20
5.5.1 Connecting the heating flow . . . . . . . . . . . 21
5.5.2 Connecting the heating return . . . . . . . . . . 22
5.5.3 Installing a DHW cylinder . . . . . . . . . . . . . . 22
5.5.4 Fitting safety valve and automatic air vent
valve or safety assembly (provided by
customer) . . . . . . . . . . . . . . . . . . . . . . . . . . .22
5.5.5 Installing the condensate drain . . . . . . . . . 22
5.5.6 Fitting the connection for the diaphragm
expansion vessel . . . . . . . . . . . . . . . . . . . . .23
5.6 Filling the heating system and checking for
leaks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
5.7 Fuel connection . . . . . . . . . . . . . . . . . . . . . . 25
5.8 Making the electrical connection . . . . . . . . 25
5.8.1 Installing the control unit . . . . . . . . . . . . . . 26
5.8.2 Mains power connection and connection
of additional components . . . . . . . . . . . . . .26
5.8.3 Fitting the cover . . . . . . . . . . . . . . . . . . . . . . 27
5.9 Levelling the boiler vertically . . . . . . . . . . . 27
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.1 Checking the operating pressure . . . . . . . 28
6.2 Recording gas parameters . . . . . . . . . . . . . 29
6.3 Check the system equipment level . . . . . . 29
6.4 Checking for leaks . . . . . . . . . . . . . . . . . . . 30
6.5 Gas type conversion . . . . . . . . . . . . . . . . . . 30
6.5.1 Conversion for boiler size 90 and 120 kW 30
6.5.2 Conversion for boiler size 160 kW . . . . . . 31
6.5.3 Conversion for boiler sizes from 200 to
280 kW . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
6.5.4 Updating the type plate . . . . . . . . . . . . . . . 31
6.6 Purging the gas line . . . . . . . . . . . . . . . . . . 32
6.7 Checking the ventilation and extract air
apertures and the flue connection . . . . . . .32
6.8 Check the ventilation air diaphragm . . . . . 33
6.9 Preparing the heating system for
operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
6.10 Switching on the boiler at the BC10 . . . . . 33
6.11 Carrying out a flue gas test . . . . . . . . . . . . 34
6.12 Calling up the service level of the RC35
programming unit and displaying the
monitor data . . . . . . . . . . . . . . . . . . . . . . . . .34
6.13 Checking and adjusting the CO2 settings
under full load . . . . . . . . . . . . . . . . . . . . . . . .34
6.14 Checking and adjusting the CO2 settings
under partial load . . . . . . . . . . . . . . . . . . . . .35
6.15 Switching the status display on the BC10
to show the boiler temperature status . . . .37
6.16 Returning to operating mode from the flue
gas test . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
6.17 Recording actual values . . . . . . . . . . . . . . . 37
6.17.1Draught . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.17.2CO value . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Buderus Logano plus GB312 Specifications

General

Brand	Buderus
Model	Logano plus GB312
Category	Boiler
Language	English